spelling fixes

plugins/repo/commands

@@ -7,7 +7,7 @@ case "$1" in
     help_content_func () {
       declare desc="return repo plugin help content"
       cat<<help_content
-    repo:gc <app>, Runs 'git gc --agressive' against the application's repo
+    repo:gc <app>, Runs 'git gc --aggressive' against the application's repo
     repo:purge-cache <app>, Deletes the contents of the build cache stored in the repository
 help_content
     }

plugins/repo/subcommands/gc

@@ -3,7 +3,7 @@ set -eo pipefail; [[ $DOKKU_TRACE ]] && set -x
 source "$PLUGIN_CORE_AVAILABLE_PATH/common/functions"
 
 repo_gc() {
-  declare desc="runs 'git gc --agressive' against the application's repo"
+  declare desc="runs 'git gc --aggressive' against the application's repo"
   local cmd="repo:gc"
   [[ -z $2 ]] && dokku_log_fail "Please specify an app to run the command on"
   local APP="$2"; local APP_DIR="$DOKKU_ROOT/$APP"